cmake-mode.el: escape shell arguments

Shell arguments containing "<" or ">" should be escaped.  Otherwise,
names such as CMAKE_<LANG>_FLAGS will be treated as IO redirection.

Auxiliary/cmake-mode.el

@@ -372,7 +372,7 @@ optional argument topic will be appended to the argument list."
   (interactive "s")
   (let* ((bufname (if buffer buffer (concat "*CMake" type (if topic "-") topic "*")))
          (buffer  (if (get-buffer bufname) (get-buffer bufname) (generate-new-buffer bufname)))
-         (command (concat cmake-mode-cmake-executable " " type " " topic))
+         (command (concat cmake-mode-cmake-executable " " type " " (shell-quote-argument topic)))
          ;; Turn of resizing of mini-windows for shell-command.
          (resize-mini-windows nil)
          )
@@ -391,7 +391,7 @@ optional argument topic will be appended to the argument list."
   (interactive "s")
   (let* ((bufname (if buffer buffer (concat "*CMake" type (if topic "-") topic "*")))
          (buffer  (if (get-buffer bufname) (get-buffer bufname) (generate-new-buffer bufname)))
-         (command (concat cmake-mode-cmake-executable " " type " " topic))
+         (command (concat cmake-mode-cmake-executable " " type " " (shell-quote-argument topic)))
          ;; Turn of resizing of mini-windows for shell-command.
          (resize-mini-windows nil)
          )